305 	struct mthca_ucontext           *context;  in mthca_alloc_ucontext()  local
319 	context = kmalloc(sizeof *context, GFP_KERNEL);  in mthca_alloc_ucontext()
320 	if (!context)  in mthca_alloc_ucontext()
323 	err = mthca_uar_alloc(to_mdev(ibdev), &context->uar);  in mthca_alloc_ucontext()
325 		kfree(context);  in mthca_alloc_ucontext()
329 	context->db_tab = mthca_init_user_db_tab(to_mdev(ibdev));  in mthca_alloc_ucontext()
330 	if (IS_ERR(context->db_tab)) {  in mthca_alloc_ucontext()
331 		err = PTR_ERR(context->db_tab);  in mthca_alloc_ucontext()
332 		mthca_uar_free(to_mdev(ibdev), &context->uar);  in mthca_alloc_ucontext()
333 		kfree(context);  in mthca_alloc_ucontext()
338 		mthca_cleanup_user_db_tab(to_mdev(ibdev), &context->uar, context->db_tab);  in mthca_alloc_ucontext()
339 		mthca_uar_free(to_mdev(ibdev), &context->uar);  in mthca_alloc_ucontext()
340 		kfree(context);  in mthca_alloc_ucontext()
344 	context->reg_mr_warned = 0;  in mthca_alloc_ucontext()
346 	return &context->ibucontext;  in mthca_alloc_ucontext()
349 static int mthca_dealloc_ucontext(struct ib_ucontext *context)  in mthca_dealloc_ucontext()  argument
351 	mthca_cleanup_user_db_tab(to_mdev(context->device), &to_mucontext(context)->uar,  in mthca_dealloc_ucontext()
352 				  to_mucontext(context)->db_tab);  in mthca_dealloc_ucontext()
353 	mthca_uar_free(to_mdev(context->device), &to_mucontext(context)->uar);  in mthca_dealloc_ucontext()
354 	kfree(to_mucontext(context));  in mthca_dealloc_ucontext()
359 static int mthca_mmap_uar(struct ib_ucontext *context,  in mthca_mmap_uar()  argument
368 			       to_mucontext(context)->uar.pfn,  in mthca_mmap_uar()
376 				    struct ib_ucontext *context,  in mthca_alloc_pd()  argument
386 	err = mthca_pd_alloc(to_mdev(ibdev), !context, pd);  in mthca_alloc_pd()
392 	if (context) {  in mthca_alloc_pd()
443 	struct mthca_ucontext *context = NULL;  in mthca_create_srq()  local
455 		context = to_mucontext(pd->uobject->context);  in mthca_create_srq()
462 		err = mthca_map_user_db(to_mdev(pd->device), &context->uar,  in mthca_create_srq()
463 					context->db_tab, ucmd.db_index,  in mthca_create_srq()
477 		mthca_unmap_user_db(to_mdev(pd->device), &context->uar,  in mthca_create_srq()
478 				    context->db_tab, ucmd.db_index);  in mthca_create_srq()
483 	if (context && ib_copy_to_udata(udata, &srq->srqn, sizeof (__u32))) {  in mthca_create_srq()
499 	struct mthca_ucontext *context;  in mthca_destroy_srq()  local
502 		context = to_mucontext(srq->uobject->context);  in mthca_destroy_srq()
504 		mthca_unmap_user_db(to_mdev(srq->device), &context->uar,  in mthca_destroy_srq()
505 				    context->db_tab, to_msrq(srq)->db_index);  in mthca_destroy_srq()
530 		struct mthca_ucontext *context;  in mthca_create_qp()  local
537 			context = to_mucontext(pd->uobject->context);  in mthca_create_qp()
544 			err = mthca_map_user_db(to_mdev(pd->device), &context->uar,  in mthca_create_qp()
545 						context->db_tab,  in mthca_create_qp()
552 			err = mthca_map_user_db(to_mdev(pd->device), &context->uar,  in mthca_create_qp()
553 						context->db_tab,  in mthca_create_qp()
557 						    &context->uar,  in mthca_create_qp()
558 						    context->db_tab,  in mthca_create_qp()
576 			context = to_mucontext(pd->uobject->context);  in mthca_create_qp()
579 					    &context->uar,  in mthca_create_qp()
580 					    context->db_tab,  in mthca_create_qp()
583 					    &context->uar,  in mthca_create_qp()
584 					    context->db_tab,  in mthca_create_qp()
635 				    &to_mucontext(qp->uobject->context)->uar,  in mthca_destroy_qp()
636 				    to_mucontext(qp->uobject->context)->db_tab,  in mthca_destroy_qp()
639 				    &to_mucontext(qp->uobject->context)->uar,  in mthca_destroy_qp()
640 				    to_mucontext(qp->uobject->context)->db_tab,  in mthca_destroy_qp()
650 				     struct ib_ucontext *context,  in mthca_create_cq()  argument
665 	if (context) {  in mthca_create_cq()
669 		err = mthca_map_user_db(to_mdev(ibdev), &to_mucontext(context)->uar,  in mthca_create_cq()
670 					to_mucontext(context)->db_tab,  in mthca_create_cq()
675 		err = mthca_map_user_db(to_mdev(ibdev), &to_mucontext(context)->uar,  in mthca_create_cq()
676 					to_mucontext(context)->db_tab,  in mthca_create_cq()
688 	if (context) {  in mthca_create_cq()
698 			    context ? to_mucontext(context) : NULL,  in mthca_create_cq()
699 			    context ? ucmd.pdn : to_mdev(ibdev)->driver_pd.pd_num,  in mthca_create_cq()
704 	if (context && ib_copy_to_udata(udata, &cq->cqn, sizeof (__u32))) {  in mthca_create_cq()
718 	if (context)  in mthca_create_cq()
719 		mthca_unmap_user_db(to_mdev(ibdev), &to_mucontext(context)->uar,  in mthca_create_cq()
720 				    to_mucontext(context)->db_tab, ucmd.arm_db_index);  in mthca_create_cq()
723 	if (context)  in mthca_create_cq()
724 		mthca_unmap_user_db(to_mdev(ibdev), &to_mucontext(context)->uar,  in mthca_create_cq()
725 				    to_mucontext(context)->db_tab, ucmd.set_db_index);  in mthca_create_cq()
855 				    &to_mucontext(cq->uobject->context)->uar,  in mthca_destroy_cq()
856 				    to_mucontext(cq->uobject->context)->db_tab,  in mthca_destroy_cq()
859 				    &to_mucontext(cq->uobject->context)->uar,  in mthca_destroy_cq()
860 				    to_mucontext(cq->uobject->context)->db_tab,  in mthca_destroy_cq()
998 		if (!to_mucontext(pd->uobject->context)->reg_mr_warned) {  in mthca_reg_user_mr()
1003 		++to_mucontext(pd->uobject->context)->reg_mr_warned;  in mthca_reg_user_mr()
1012 	mr->umem = ib_umem_get(pd->uobject->context, start, length, acc,  in mthca_reg_user_mr()